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公开(公告)号:US20240063346A1
公开(公告)日:2024-02-22
申请号:US18207071
申请日:2023-06-07
Applicant: Samsung Display Co., LTD.
Inventor: Sang Jo KIM , Byung Ju LEE
IPC: H01L33/50 , H01L25/075 , H01L33/32 , H01L33/38
CPC classification number: H01L33/504 , H01L25/0753 , H01L33/325 , H01L33/382 , H01L2933/0041 , H01L2933/0016
Abstract: A display device comprises a substrate, and a first light emitting element, a second light emitting element, and a third light emitting element provided on the substrate and each including a first semiconductor layer, an active layer, and a second semiconductor layer. A third semiconductor layer is provided on the first light emitting element, a first color conversion layer is provided on the second light emitting element, and a second color conversion layer is provided on the third light emitting element, wherein the first color conversion layer and the second color conversion layer include the same semiconductor material as the third semiconductor layer, and further include dopants different from that of the second semiconductor layer.
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公开(公告)号:US20230112256A1
公开(公告)日:2023-04-13
申请号:US17752620
申请日:2022-05-24
Applicant: Samsung Display Co., LTD.
Inventor: Seung Geun LEE , Jin Wan KIM , Sang Jo KIM , Su Jeong KIM
Abstract: A display device comprises a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and a common electrode layer on the light emitting element, and configured to receive a common voltage, wherein the light emitting element configured to emit a first light according to a driving current having a first current density, is configured to emit a second light according to a driving current having a second current density, and is configured to emit a third light according to a driving current having a third current density.
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公开(公告)号:US20230111670A1
公开(公告)日:2023-04-13
申请号:US17855251
申请日:2022-06-30
Applicant: Samsung Display Co., LTD.
Inventor: Jin Wan KIM , Seung Geun LEE , Sang Jo KIM , Su Jeong KIM , Young Jin SONG , Byung Ju LEE
Abstract: A display device includes a substrate, a plurality of pixel electrodes on the substrate and spaced apart from each other, a plurality of light-emitting elements on the plurality of pixel electrodes, respectively, and a common electrode layer on the plurality of light-emitting elements and to which a common voltage is applied. The plurality of light-emitting elements include a first light-emitting element that is configured to emit first light according to a first driving current and a second light-emitting element that is configured to emit second light according to a second driving current. An active layer of the first light-emitting element is the same as an active layer of the second light-emitting element.
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公开(公告)号:US20220352239A1
公开(公告)日:2022-11-03
申请号:US17559482
申请日:2021-12-22
Applicant: Samsung Display Co., LTD.
Inventor: Sang Jo KIM , Min Woo KIM , Jin Wan KIM , Dae Ho SONG , Jin Woo CHOI , Su Jeong KIM , Young Jin SONG
Abstract: A display device includes light emitting elements disposed on a substrate. The light emitting elements include an emission area and a porous area including quantum dots.
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公开(公告)号:US20220352238A1
公开(公告)日:2022-11-03
申请号:US17559462
申请日:2021-12-22
Applicant: Samsung Display Co., LTD.
Inventor: Su Jeong KIM , Young Jin SONG , Jin Wan KIM , Dae Ho SONG , Jin Woo CHOI , Sang Jo KIM , Hoo Keun PARK , Byung Ju LEE , Seung Geun LEE
Abstract: A display device includes light-emitting elements disposed on a substrate, wherein each of the light-emitting elements includes a first semiconductor layer, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer, and a porous layer disposed on the second semiconductor layer.
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公开(公告)号:US20240063337A1
公开(公告)日:2024-02-22
申请号:US18344504
申请日:2023-06-29
Applicant: Samsung Display Co., LTD.
Inventor: Su Jeong KIM , Sang Jo KIM , Jin Wan KIM , Hoo Keun PARK
Abstract: A display device includes a substrate including a pixel circuit unit, a partition wall including a distributed Bragg reflector (DBR) structure partitioning a light-emitting area and a non-light-emitting area, and light-emitting elements above the substrate, corresponding to the light-emitting area, and including a first semiconductor layer, an active layer, and a porous semiconductor layer.
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公开(公告)号:US20240047449A1
公开(公告)日:2024-02-08
申请号:US18483467
申请日:2023-10-09
Applicant: Samsung Display Co., LTD.
Inventor: Seung Geun LEE , Jin Wan KIM , Sang Jo KIM , Su Jeong KIM
CPC classification number: H01L25/18 , G09G3/32 , G09G3/2018 , H01L27/156 , G09G2300/0426 , H01L24/05
Abstract: A display device comprises a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and a common electrode layer on the light emitting element, and configured to receive a common voltage, wherein the light emitting element configured to emit a first light according to a driving current having a first current density, is configured to emit a second light according to a driving current having a second current density, and is configured to emit a third light according to a driving current having a third current density.
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公开(公告)号:US20230223422A1
公开(公告)日:2023-07-13
申请号:US17969104
申请日:2022-10-19
Applicant: Samsung Display Co., LTD.
Inventor: Sang Jo KIM , Hoo Keun PARK , Young Jin SONG
CPC classification number: H01L27/156 , H01L33/007 , H01L33/18 , H01L33/24 , H01L33/44 , H01L33/325
Abstract: A display device includes first banks spaced apart from one another and disposed on a substrate; a first electrode and a second electrode, each disposed on one of the first banks to cover each respective first bank and spaced apart from each other; and a light-emitting element disposed between the first electrode and the second electrode. The light-emitting element includes an active layer, the active layer is in a non-polarized state, and the active layer includes cubic gallium nitride (c-GaN).
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公开(公告)号:US20230155063A1
公开(公告)日:2023-05-18
申请号:US17873557
申请日:2022-07-26
Applicant: Samsung Display Co., LTD.
Inventor: Su Jeong KIM , Sang Jo KIM , Seung Geun LEE , Min Woo KIM , Jin Wan KIM
CPC classification number: H01L33/382 , H01L33/62 , H01L27/156 , H01L33/06
Abstract: The display device is provided. The display device comprises contact electrodes disposed on a substrate, light-emitting elements disposed on the contact electrodes, and an insulating layer defining emission areas corresponded to the light-emitting elements. The light-emitting elements comprise a first light-emitting element that emits a first light having a blue color, a second light-emitting element that emits a second light having a green color, and a third light-emitting element that emits a third light having a red color. A width of the first light-emitting element is greater than a width of the second light-emitting element. The width of the first light-emitting element is greater than a width of the third light-emitting element.
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公开(公告)号:US20230114923A1
公开(公告)日:2023-04-13
申请号:US18046121
申请日:2022-10-12
Applicant: Samsung Display Co., LTD.
Inventor: Sang Jo KIM , Jin Wan KIM , Seung Geun LEE
Abstract: A display device comprises a substrate, a plurality of pixel electrodes on the substrate, and a plurality of light emitting elements on the plurality of pixel electrodes, wherein the plurality of light emitting elements include a first light emitting element and a second light emitting element, and each of the first light emitting element and the second light emitting element comprises a first stack configured to emit a first light, a second stack below the first stack and configured to emit a second light or a third light, and tunnel functional layers between the first stack and the second stack.
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